Replicator extruder top

This lid replaces the top on the replicator and makes it possible to use the Minimalistic filament feeder on a replicator, including dual extrusion.

Use together with the minimalistic feeder by whosawhatsis: http://www.thingiverse.com/thing:15718

And cable strain relief:
http://www.thingiverse.com/thing:21570